<template>
  <div class="Parent">
    <h3>我是Parent {{ num }}</h3>
    <Child1 />
  </div>
</template>

<script>
import Child1 from "./Child1";
export default {
  name: "Parent",
  components: {
    Child1,
  },
  data() {
    return {
      num: 0,
    };
  },
};
</script>

<style scoped>
.Parent {
  background: greenyellow;
}
</style>
